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Play Beethoven (Proto / SGB Enhanced · US edition) Online
Beethoven
Play Beethoven for Game Boy online. This preserved pre-release adventure follows Beethoven’s search for his missing puppies through stages driven by a Mayhem Meter
Browser play

Game Boy (GB) — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| A / B | Z / X |
| START / SELECT | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Beethoven
Quick start
Start and inspect objects near the opening route. Push movable objects to raise Mayhem, collect water before trying the shake attack and watch the meter before searching for the end of the stage.
Controls
Left/Right moves, Down crouches. Up+Left/Right pushes objects. A jumps; if Beethoven is scratching after idling, A first cancels that animation. B shakes water from wet fur. START pauses. Progress depends on filling the stage’s Mayhem Meter.
Beethoven — About this game
This preserved pre-release adventure follows Beethoven’s search for his missing puppies through stages driven by a Mayhem Meter. Push objects and cause the required chaos while avoiding hazards. Water collected in his fur becomes a defensive shake, giving ordinary platform movement an environmental puzzle twist. Start and inspect objects near the opening route. Push movable objects to raise Mayhem, collect water before trying the shake attack and watch the meter before searching for the end of the stage.
Beethoven Game manuals
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · gb
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.